diff --git a/CHANGES.md b/CHANGES.md
index a582f0fb58..8a068ae8c9 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,15 +1,19 @@
Synapse 1.9.0 (2020-01-23)
==========================
-No significant changes.
+**WARNING**: As of this release, Synapse no longer supports versions of SQLite before 3.11, and will refuse to start when configured to use an older version. Administrators are recommended to migrate their database to Postgres (see instructions [here](docs/postgres.md)).
+If your Synapse deployment uses workers, note that the reverse-proxy configurations for the `synapse.app.media_repository`, `synapse.app.federation_reader` and `synapse.app.event_creator` workers have changed, with the addition of a few paths (see the updated configurations [here](docs/workers.md#available-worker-applications)). Existing configurations will continue to work.
-Synapse 1.9.0rc1 (2020-01-22)
-=============================
-**WARNING**: As of this release, Synapse no longer supports versions of SQLite before 3.11, and will refuse to start when configured to use an older version. Administrators are recommended to migrate their database to Postgres (see instructions [here](docs/postgres.md)).
+Improved Documentation
+----------------------
+
+- Fix endpoint documentation for the List Rooms admin API. ([\#6770](https://github.com/matrix-org/synapse/issues/6770))
+
-If your Synapse deployment uses workers, note that the reverse-proxy configurations for the `synapse.app.media_repository`, `synapse.app.federation_reader` and `synapse.app.event_creator` have changed, with the addition of a few paths (see the updated configurations [here](docs/workers.md#available-worker-applications)).
+Synapse 1.9.0rc1 (2020-01-22)
+=============================
Features
--------
diff --git a/changelog.d/6770.doc b/changelog.d/6770.doc
deleted file mode 100644
index a251b82238..0000000000
--- a/changelog.d/6770.doc
+++ /dev/null
@@ -1 +0,0 @@
-Fix endpoint documentation for the List Rooms admin api.
\ No newline at end of file
diff --git a/changelog.d/6771.bugfix b/changelog.d/6771.bugfix
new file mode 100644
index 0000000000..623ba24acb
--- /dev/null
+++ b/changelog.d/6771.bugfix
@@ -0,0 +1 @@
+Fix persisting redaction events that have been redacted (or otherwise don't have a redacts key).
diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py
index 88ed6d764f..72c09327f4 100644
--- a/synapse/events/__init__.py
+++ b/synapse/events/__init__.py
@@ -116,16 +116,32 @@ class _EventInternalMetadata(object):
return getattr(self, "redacted", False)
-def _event_dict_property(key):
+_SENTINEL = object()
+
+
+def _event_dict_property(key, default=_SENTINEL):
+ """Creates a new property for the given key that delegates access to
+ `self._event_dict`.
+
+ The default is used if the key is missing from the `_event_dict`, if given,
+ otherwise an AttributeError will be raised.
+
+ Note: If a default is given then `hasattr` will always return true.
+ """
+
# We want to be able to use hasattr with the event dict properties.
# However, (on python3) hasattr expects AttributeError to be raised. Hence,
# we need to transform the KeyError into an AttributeError
- def getter(self):
+
+ def getter_raises(self):
try:
return self._event_dict[key]
except KeyError:
raise AttributeError(key)
+ def getter_default(self):
+ return self._event_dict.get(key, default)
+
def setter(self, v):
try:
self._event_dict[key] = v
@@ -138,7 +154,11 @@ def _event_dict_property(key):
except KeyError:
raise AttributeError(key)
- return property(getter, setter, delete)
+ if default is _SENTINEL:
+ # No default given, so use the getter that raises
+ return property(getter_raises, setter, delete)
+ else:
+ return property(getter_default, setter, delete)
class EventBase(object):
@@ -165,7 +185,7 @@ class EventBase(object):
origin = _event_dict_property("origin")
origin_server_ts = _event_dict_property("origin_server_ts")
prev_events = _event_dict_property("prev_events")
- redacts = _event_dict_property("redacts")
+ redacts = _event_dict_property("redacts", None)
room_id = _event_dict_property("room_id")
sender = _event_dict_property("sender")
user_id = _event_dict_property("sender")
diff --git a/synapse/storage/data_stores/main/events.py b/synapse/storage/data_stores/main/events.py
index 596daf8909..ce553566a5 100644
--- a/synapse/storage/data_stores/main/events.py
+++ b/synapse/storage/data_stores/main/events.py
@@ -951,7 +951,7 @@ class EventsStore(
elif event.type == EventTypes.Message:
# Insert into the event_search table.
self._store_room_message_txn(txn, event)
- elif event.type == EventTypes.Redaction:
+ elif event.type == EventTypes.Redaction and event.redacts is not None:
# Insert into the redactions table.
self._store_redaction(txn, event)
elif event.type == EventTypes.Retention:
diff --git a/synapse/storage/data_stores/main/events_worker.py b/synapse/storage/data_stores/main/events_worker.py
index 3b93e0597a..7251e819f5 100644
--- a/synapse/storage/data_stores/main/events_worker.py
+++ b/synapse/storage/data_stores/main/events_worker.py
@@ -287,7 +287,7 @@ class EventsWorkerStore(SQLBaseStore):
# we have to recheck auth now.
if not allow_rejected and entry.event.type == EventTypes.Redaction:
- if not hasattr(entry.event, "redacts"):
+ if entry.event.redacts is None:
# A redacted redaction doesn't have a `redacts` key, in
# which case lets just withhold the event.
#
diff --git a/tests/storage/test_redaction.py b/tests/storage/test_redaction.py
index dc45173355..feb1c07cb2 100644
--- a/tests/storage/test_redaction.py
+++ b/tests/storage/test_redaction.py
@@ -398,3 +398,38 @@ class RedactionTestCase(unittest.HomeserverTestCase):
self.get_success(
self.store.get_event(first_redact_event.event_id, allow_none=True)
)
+
+ def test_store_redacted_redaction(self):
+ """Tests that we can store a redacted redaction.
+ """
+
+ self.get_success(
+ self.inject_room_member(self.room1, self.u_alice, Membership.JOIN)
+ )
+
+ builder = self.event_builder_factory.for_room_version(
+ RoomVersions.V1,
+ {
+ "type": EventTypes.Redaction,
+ "sender": self.u_alice.to_string(),
+ "room_id": self.room1.to_string(),
+ "content": {"reason": "foo"},
+ },
+ )
+
+ redaction_event, context = self.get_success(
+ self.event_creation_handler.create_new_client_event(builder)
+ )
+
+ self.get_success(
+ self.storage.persistence.persist_event(redaction_event, context)
+ )
+
+ # Now lets jump to the future where we have censored the redaction event
+ # in the DB.
+ self.reactor.advance(60 * 60 * 24 * 31)
+
+ # We just want to check that fetching the event doesn't raise an exception.
+ self.get_success(
+ self.store.get_event(redaction_event.event_id, allow_none=True)
+ )
|